(19)
(11) EP 1 235 221 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.01.2004 Bulletin 2004/05

(43) Date of publication A2:
28.08.2002 Bulletin 2002/35

(21) Application number: 02007337.5

(22) Date of filing: 05.03.1997
(51) International Patent Classification (IPC)7: G11B 20/12, G11B 20/10, G11B 27/30, G11B 27/10, G11B 27/034, H04N 5/928, H04N 5/85
(84) Designated Contracting States:
DE FR GB

(30) Priority: 15.03.1996 JP 5983696

(62) Application number of the earlier application in accordance with Art. 76 EPC:
97301490.5 / 0795870

(71) Applicant: PIONEER ELECTRONIC CORPORATION
Meguro-ku Tokyo-to (JP)

(72) Inventors:
  • Takahashi, Tokihiro, Tokorozawa Works
    Tokorozawa-shi, Saitama-ken (JP)
  • Ishii, Hidehiro, Tokorozawa Works
    Tokorozawa-shi, Saitama-ken (JP)
  • Nakamura, Hiroshi, Tokorozawa Works
    Tokorozawa-shi, Saitama-ken (JP)
  • Yoshio, Junichi, Tokorozawa Works
    Tokorozawa-shi, Saitama-ken (JP)
  • Tozaki, Akihiro, Pioneer Electronic Corp.
    Tsurugashima-shi, Saitama-ken (JP)
  • Sawabe, Takao, Pioneer Electronic Corp.
    Tokyo-to (JP)

(74) Representative: Haley, Stephen 
Gill Jennings & Every, Broadgate House, 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) Information record medium, apparatus for recording the same and apparatus for reproducing the same


(57) An information record medium (1: DVD) has a record track (1a) to be reproduced by an information reproducing apparatus (S2). The information reproducing apparatus is provided with a read device (80), reproduces audio information while relatively moving the read device along the record track recorded with at least the audio information by a predetermined unit of audio frame and by a unit of frame group (GOF) consisting of consecutive audio frames in a predetermined number. A plurality of audio packets (43, 202) are arranged along the record track, in each of which audio information pieces (207) constructing the audio information sampled by a predetermined sampling frequency and audio control information (204, 205, 206) for controlling a reproduction and an access of the audio information pieces are respectively recorded.





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